SOLUTION: Consider f(x) = x2 + 3, x < 0. What is the inverse of this function?

Algebra ->  Expressions-with-variables -> SOLUTION: Consider f(x) = x2 + 3, x < 0. What is the inverse of this function?      Log On


   

Question 1135320: Consider f(x) = x2 + 3, x < 0. What is the inverse of this function?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
y%5E2%2B3=x
y%5E2=x-3
y=0%2B-+sqrt%28x-3%29, but for y%3C0 and x%3E=3

Specified Inverse is system%28f%5E%28-1%29%28x%29=-sqrt%28x-3%29%2Cy%3C0%2Cx%3E=3%29